From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755867AbbCFQIQ (ORCPT ); Fri, 6 Mar 2015 11:08:16 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:40950 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753935AbbCFQIN (ORCPT ); Fri, 6 Mar 2015 11:08:13 -0500 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 7.3 \(1878.6\)) Subject: Re: [PATCH v2 1/3] devicetree: bindings: Document qcom,msm-id and qcom,board-id From: Kumar Gala In-Reply-To: Date: Fri, 6 Mar 2015 10:08:09 -0600 Cc: Kevin Hilman , linux-arm-msm , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "arm@kernel.org" , "devicetree@vger.kernel.org" , =?iso-8859-1?Q?Heiko_St=FCbner?= Content-Transfer-Encoding: 7bit Message-Id: References: <1425503602-24916-1-git-send-email-galak@codeaurora.org> <7h8ufbjkod.fsf@deeprootsystems.com> <07D4E4D1-BF8C-4583-9505-9F321DB10406@codeaurora.org> To: Olof Johansson X-Mailer: Apple Mail (2.1878.6) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mar 5, 2015, at 7:59 PM, Olof Johansson wrote: > On Thu, Mar 5, 2015 at 12:23 PM, Kumar Gala wrote: >> >> On Mar 5, 2015, at 1:42 PM, Kevin Hilman wrote: >> >>> Kumar Gala writes: >>> >>>> The top level qcom,msm-id and qcom,board-id are utilized by bootloaders >>>> on Qualcomm MSM platforms to determine which device tree should be >>>> utilized and passed to the kernel. >>>> >>>> Cc: >>>> Signed-off-by: Kumar Gala >>> >>> Is this the special magic that allows qcom bootloaders to take a kernel >>> plus multiple DTBs and figure out which DTB to pass? >>> >>> Kevin >> >> yes > > That's a bummer. > > Luckily, the solution for upstream is still quite simple: Provide only > one devicetree, and it'll be used, right? We can provide only one, we still need the IDs in the DT. - k -- Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project